ADVR-07FH Universal Hybrid Analog-Digital Single Phase 7Amp Automatic Voltage Regulator For Self-excited Brushless Generator Features  Digital voltage sensing circuit and Under Frequency Protection circuit improve thermal drift characteristics  Excitation output Half Wave / Full Wave selectable  Soft start voltage ramping  Over excitation protection  EMI suppression  Built-in high capacity fuse Specifications Sensing Input Voltage 90 to 540 Vac 1 phase 2 wire Soft Start Ramp Time (Average Readings) Frequency 50 / 60 Hz DIP switch setting Response Time Built-in electromagnetic interference filter Voltage Thermal Drift Less than 3% from -40 to +70 ˚C U/F Knee Point Thermal Drift Less than +/- 0.1 Hz from -40 to +70 ˚C Static Power Dissipation External Voltage Adjustment Residual voltage at power input > 5 Vac @ 25 Hz Under Frequency Protection 50 Hz system knee point presets at 45 Hz Voltage Regulation Less than +/- 0.5% (with 4% engine governing) (Factory Presets) 60 Hz system knee point presets at 55 Hz Power Input Excitation Output, Resistance, O/E Voltage Protection and DIP SW Setting DIP SW3 Half Wave Full Wave Power Input Excitation Output * Exciter Resistance *1 Fuse specification 6.3 x 32 mm 10A Fast Blow type. *2 Excitation output will be turned off in 10 seconds time delay, Inverse-time curve. This function can be turned OFF. Environment Operating Temperature Physical Specifications Accessories Jumper terminals Jumper wire KUTAI ELECTRONICS INDUSTRY CO., LTD. TEL : +886-7-8121771 FAX : +886-7-8121775 Website : www.kutai.com.tw Headquarters : No.3, Lane 201, Chien Fu St., Chyan Jenn Dist., Kaoh